diff --git a/.devcontainer.json b/.devcontainer.json
new file mode 100644
index 0000000..bfbeb0d
--- /dev/null
+++ b/.devcontainer.json
@@ -0,0 +1,3 @@
+{
+    "image": "mcr.microsoft.com/devcontainers/java:21"
+}
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..add4f4e
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "vscjava.vscode-java-pack"
+    ]
+}
\ No newline at end of file
diff --git a/Exercise.java b/Exercise.java
index 3c092f9..d321529 100644
--- a/Exercise.java
+++ b/Exercise.java
@@ -1,6 +1,38 @@
+import java.util.Random;
+import java.util.Scanner;
+
 public class Exercise {
 
   public static void main(String[] args) {
-    // implement exercise here
+    @SuppressWarnings("resource")
+    Scanner sc = new Scanner(System.in);
+
+    Random rnd = new Random();
+    int randomNumber = rnd.nextInt(100) + 1;
+
+    int attempts = 0;
+
+    boolean loop;
+    do {
+      attempts++;
+
+      System.out.print("Gib bitte Deinen Tipp ein: ");
+      int tip = sc.nextInt();
+
+      if (tip == randomNumber) {
+        System.out.println("Richtig. Du hast " + attempts + " Versuche benoetigt");
+        break;
+        // return
+      } else if (tip > randomNumber) {
+        System.out.println("Leider falsch, die gesuchte Zahl ist kleiner");
+      } else {
+        System.out.println("Leider falsch, die gesuchte Zahl ist groesser");
+      }
+
+      System.out.print("Moechtest Du nochmals raten (true, false)?: ");
+      loop = sc.nextBoolean();
+    } while (loop);
+
+    System.out.println("Die gesuchte Zahl war " + randomNumber);
   }
 }